> Date: Tue, 21 Jul 2009 00:52:24 +0200
> From: derek@umatic.nl
> To: jbeezez@googlemail.com
> CC: pd-list@iem.at
> Subject: Re: [PD] making scales from frequency values
>
> Still not entirely sure I know what you're after, so at the risk of
> repeating myself, use the (just intoned) intervals here:
>
> 1, 1:1-unison;
> 2, 135:128-major_chroma;
> 3, 9:8-major_second;
> 4, 6:5-minor_third;
> 5, 5:4-major_third;
> 6, 4:3-perfect_fourth;
> 7, 45:32-diatonic_fourth;
> 8, 3:2-perfect_fifth;
> 9, 8:5-minor_sixth;
> 10, 27:16-pyth_major_sixth;
> 11, 9:5-minor_seventh;
> 12, 15:8-major_seventh;
> 13, 2:1-octave;
>
> I.e. major third = 6:5, and 6 divided by 5 is 1.2, so to transpose up a
> major third, multiply original frequency by 1.2.
>
> Or, 5 divided by 6 is 0.83333333, so multiply by that to transpose down
> a major third. Or cook up something with [expr] that does the job more
> precisely, like [expr f$1 * (5/6)] etc etc...
>
> All of these should "sound good" across the whole musical spectrum so
> long as you don't plan on changing key ;-)
>
> D.
>
> J bz wrote:
>
> > If I'm saying that these frequencies are
> > 'good' to my ear, is there a way of creating equally 'good' sounding
> > notes to fill in the gaps in, say for example, a 12 note scale based on
> > these notes scaling from the lowest to the highest without doing the
> > whole thing 'by ear'?
>
> --
> ::: derek holzer ::: http://blog.myspace.com/macumbista :::
> http://www.vimeo.com/macumbista :::
> ---Oblique Strategy # 126:
> "Only one element of each kind"
>
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